352 
BIBLIOGRAPHY OF ECONOMIC ENTOMOLOGY. 
2346. [Riley, C. V.] [Habitat of Mezium americanum .] <Proc. Ent. 
Soc. Wash., [30 March], 1886, v. 1, p. 14. 
Occurrence of Mezium americanum in old Lay. 
2347. [Riley, C. V.] [Arctic insects.] <Rroc. Ent. Soc. Wash., [30 
March], 1*886, v. 1, pp. 14-15. 
Remarks on collection of insects made at Point Barrow, Alaska; prevalence 
in Arctic regions of species common to America and Europe; occurrence of 
Urocerus flavieornis in Alaska. 
2348. [Riley, C. V.] [Habits of Isosoma .] <Proc. Ent. Soc. Wash., 
[30 March], 1886, v. 1, p. 15. 
Phytophagic habits of the genus Isosoma ; I. grande observed ovipositing. 
2349. [Riley, C. V.] [Cranberry fruit-worm.] <Proc. Ent. Soc. Wash., 
[30 March], 1886, v. 1, p. 15. 
Names Acrobasis vaccinii as the well-known cranberry fruit-worm. 
2350. [Riley, C. V.] [Rhyssa lunator .] <Proc. Ent. Soc. Wash., [30 
March], 1886, v. 1, p. 15. 
States that Ehyssa [= Thalessa~\ lunator is parasitic and not lignivorous. 
2351. [Riley, C. V.] [Tiphia and RHpiphorus.] <Proc. Ent. Soc. 
Wash., [30 March], 1886, v. 1, p. 15. 
Refers to O. Lugger’s statements in regard to the habits of Tiphia and Bhipi- 
phorus as manifestly incorrect. 
2352. [Riley, C. V.] [Insects attracted to light.] <Proc. Ent. Soc. 
Wash., [30 March], 1886, v. 1, pp. 15-16. 
Disfigurement of buildings by the insects and spiders attracted to the electric 
light ou the dome of the Capitol. 
2353. [Riley, C. V.] [Parasitic Coleoptera.] <Proc. Ent. Soc. Wash., 
[30 March], 1886, v. 1, p. 16. 
Parasitic habits of Aleochara anthomyice [=ni<ida]. 
2354. [Riley, C.V.] [Scenopinus.] <Proc. Ent. Soc. Wash., [30 March], 
1886, v. 1, p. 16. 
Larva of Scenopinus sp. infesting the blanket of a Navajo Indian. 
2355. Riley, C. V. Annual address of the president. <Proc. Ent. 
Soc. Wash., [30 March], 1886, v. 1, pp. 17-27. 
Brief comments upon the histories or injuries of Agrotis fennica, Hadena de- 
vastatrix, Nematus erichsoni, Phytonomus punctatus, P. nigrirostris, Pulvinaria 
innumerabilis, Systcechus leucoplmus, and Phylloxera vastalrix ; notes on the 
egg parasites of the Acrididos ; mode of oviposition of some Carabidce ; ad¬ 
vantages of Washington from an entomological standpoint. 
2356. [Riley, C. V.] [Gall-making moths.] <Proc. Ent. Soc. Wash., 
[30 March], 1886, v. 1, p. 30. 
Walshia amorphella, previously known as a gall-maker on Amorplia fruticosa, 
bred from roots of loco weed; Euryptychia saligneana distinct from Pcedisca 
scudderiana. 
2357. [Riley, C. V.] Sphida, Grote.] <Proc. Ent. Soc. Wash., [30 
March], 1886, v. 1, p. 30. 
Considers S. obliquata synonymous with Arzama densa. 
